/*
 * @Author: qianmingtian
 * @Date: 2020-07-09 21:21:14
 * @LastEditors: qianmingtian
 * @LastEditTime: 2020-07-09 22:11:16
 * @FilePath: \qianmingtian.github.io\code\java\Arrays\ArraysTools.java
 */ 
package Arrays;

import java.util.Arrays;
class Customer{
    public String toString(){
        return "vip user";
    }
}

public class ArraysTools {
    public static void main(String[] args) {
        System.out.println("dafg".compareTo("dafgdsafds"));
        "das".equals("da");
        if("dsfads fdsa".indexOf("fd") == "dsfads fdsa".lastIndexOf("fd")){
            System.out.println("dsfads fdsa".indexOf("fd") == "dsfads fdsa".lastIndexOf("fd"));
        }

        Integer.valueOf("9");
        System.out.println(String.valueOf(new Customer()));
    }
    
}/*
 * @Author: qianmingtian
 * @Date: 2020-07-09 21:21:14
 * @LastEditors: qianmingtian
 * @LastEditTime: 2020-07-09 21:21:15
 * @FilePath: \qianmingtian.github.io\code\java\Arrays\ArraysTools.java
 */ 
